vi /etc/hosts 添加 192.168.119.128 node01 node01.hadoop.com 192.168.119.129 node02 node02.hadoop.com 192.168.119.130 node03 node03.hadoop.com
vi /etc/hosts 添加 192.168.119.128 node01 node01.hadoop.com 192.168.119.129 node02 node02.hadoop.com 192.168.119.130 node03 node03.hadoop.com
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